Vulnerability · Published May 5, 2026 · Assigned by apache
CVE-2026-43868Apache Thrift: Rust implementation vulnerable to CVE-2020-13949 pattern
Medium 5.3
In plain English
A medium-severity security flaw in Apache Thrift from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.7%top 46.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | thrift | no fix listed | DEBIAN-CVE-2026-43868 |
| Debian:13 | thrift | no fix listed | DEBIAN-CVE-2026-43868 |
| Debian:14 | thrift | 0.23.0-3 | DEBIAN-CVE-2026-43868 |
| Ubuntu:22.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-43868 |
| Ubuntu:24.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-43868 |
| Ubuntu:25.10 | thrift | no fix listed | UBUNTU-CVE-2026-43868 |
| Ubuntu:26.04:LTS | thrift | no fix listed | UBUNTU-CVE-2026-43868 |
| Ubuntu:26.10 | thrift | no fix listed | UBUNTU-CVE-2026-43868 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Thrift | 0 – before 0.23.0 |
Weakness: CWE-789, CWE-1285 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://lists.apache.org/thread/zj76dtwnbbs1m7z3focf4wd51pqpsmn9 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-43868 vdb-entry, x_refsource_REDHAT
- RHBZ#2466670 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43868.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:26586 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:42644 vendor-advisory, x_refsource_REDHAT